This picturesque horseshoe weir was first built in the 1600s to prevent flooding in the town of Bath.

This slice of 1960s Danish modernism does not conform to the Oxford college stereotypes.

Legend says this public grazing area hasn't been plowed for thousands of years.

An extraordinary collection of scientific instruments - and Einstein's chalkboard - inside the world's oldest purpose built museum building.

One of Europe's oldest libraries.

The water-powered carriages are long gone, but for over a century this funicular railway has been the fastest route to the highest point in Paris.

The former home of Samuel Clemens and family remembers the happiest period of the author's life.

This historic hotel invented the chocolate brownie.

This $3 million model train takes you through Chicago, Seattle, and the thousands of miles in between.

A shining sculpture made of 3,115 lights, the number of visible stars in the Northern Hemisphere.

Rifle through images of skyscrapers, Worlds Fairs, and more in the largest public postcard repository in America.

Where dioramas can follow you home.

This awkward aquarium sculpture is one of the strangest statues in Chicago.

This surprising gem is a world-class archeological museum hidden at the University of Chicago.

An outdoor urban gallery of large-scale artworks by the world's most influential street artists.

A 400-foot-tall tall map of Chicago makes this once-ignored building stand out.

Partially submerged Buddha heads freckle Chicago’s neighborhoods.

Internationally known record store and purveyor of "dusties."

The only Bahá'í house of worship in North America and one of only a handful worldwide.

A science teacher's dream.

An antiquated German apothecary on Chicago's North Side.

This whimsical Oz-themed park had a wonderful impact on the surrounding neighborhood.

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

A heated statue pays tribute to one of Sweden's great actresses.